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plotview: coordToSample -> samplesPerLine

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Mike Walters
2016-03-05 19:15:23 +00:00
parent f8e30fa128
commit 158e95c54a
2 changed files with 8 additions and 8 deletions
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14
plotview.cpp
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@@ -48,11 +48,6 @@ PlotView::PlotView(InputSource *input) : cursors(this), viewRange({0, 0})
mainSampleSource->subscribe(this);
}
off_t PlotView::coordToSample(int x)
{
return fftSize * x / (int)pow(2, zoomLevel);
}
TracePlot* PlotView::createIQPlot(SampleSource<std::complex<float>> *src)
{
gr::top_block_sptr iq_tb = gr::make_top_block("multiply");
@@ -96,7 +91,7 @@ TracePlot* PlotView::createQuadratureDemodPlot(SampleSource<std::complex<float>>
void PlotView::cursorsMoved()
{
int selection = cursors.selection().length();
off_t sampleCount = coordToSample(selection);
off_t sampleCount = selection * samplesPerLine();
float selectionTime = sampleCount / (float)mainSampleSource->rate();
emit timeSelectionChanged(selectionTime);
viewport()->update();
@@ -188,6 +183,11 @@ void PlotView::resizeEvent(QResizeEvent * event)
updateView();
}
off_t PlotView::samplesPerLine()
{
return fftSize / (int)pow(2, zoomLevel);
}
void PlotView::scrollContentsBy(int dx, int dy)
{
updateView();
@@ -197,7 +197,7 @@ void PlotView::updateView()
{
viewRange = {
horizontalScrollBar()->value(),
horizontalScrollBar()->value() + coordToSample(width())
horizontalScrollBar()->value() + width() * samplesPerLine()
};
viewport()->update();
}